Chris@0: <?php
Chris@0: // @codingStandardsIgnoreFile
Chris@0: 
Chris@0: namespace Drupal\Tests\Component\EventDispatcher;
Chris@0: 
Chris@0: use Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\EventDispatcher\Tests\CallableClass;
Chris@0: use Symfony\Component\EventDispatcher\Tests\ContainerAwareEventDispatcherTest as SymfonyContainerAwareEventDispatcherTest;
Chris@0: use Symfony\Component\EventDispatcher\Tests\TestEventListener;
Chris@0: 
Chris@0: /**
Chris@0:  * Unit tests for the ContainerAwareEventDispatcher.
Chris@0:  *
Chris@0:  * NOTE: 98% of this code is a literal copy of Symfony's emerging
Chris@0:  * CompiledEventDispatcherTest.
Chris@0:  *
Chris@0:  * This file does NOT follow Drupal coding standards, so as to simplify future
Chris@0:  * synchronizations.
Chris@0:  *
Chris@0:  * @see https://github.com/symfony/symfony/pull/12521
Chris@0:  *
Chris@0:  * @group EventDispatcher
Chris@0:  */
Chris@0: class ContainerAwareEventDispatcherTest extends SymfonyContainerAwareEventDispatcherTest
Chris@0: {
Chris@0:     protected function createEventDispatcher()
Chris@0:     {
Chris@0:         $container = new Container();
Chris@0: 
Chris@0:         return new ContainerAwareEventDispatcher($container);
Chris@0:     }
Chris@0: 
Chris@0:     public function testGetListenersWithCallables()
Chris@0:     {
Chris@0:         // When passing in callables exclusively as listeners into the event
Chris@0:         // dispatcher constructor, the event dispatcher must not attempt to
Chris@0:         // resolve any services.
Chris@0:         $container = $this->getMock(ContainerInterface::class);
Chris@0:         $container->expects($this->never())->method($this->anything());
Chris@0: 
Chris@0:         $firstListener = new CallableClass();
Chris@0:         $secondListener = function () {};
Chris@0:         $thirdListener = array(new TestEventListener(), 'preFoo');
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 0 => array(
Chris@0:                     array('callable' => $firstListener),
Chris@0:                     array('callable' => $secondListener),
Chris@0:                     array('callable' => $thirdListener),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0:         $actualListeners = $dispatcher->getListeners();
Chris@0: 
Chris@0:         $expectedListeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 $firstListener,
Chris@0:                 $secondListener,
Chris@0:                 $thirdListener,
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $this->assertSame($expectedListeners, $actualListeners);
Chris@0:     }
Chris@0: 
Chris@0:     public function testDispatchWithCallables()
Chris@0:     {
Chris@0:         // When passing in callables exclusively as listeners into the event
Chris@0:         // dispatcher constructor, the event dispatcher must not attempt to
Chris@0:         // resolve any services.
Chris@0:         $container = $this->getMock(ContainerInterface::class);
Chris@0:         $container->expects($this->never())->method($this->anything());
Chris@0: 
Chris@0:         $firstListener = new CallableClass();
Chris@0:         $secondListener = function () {};
Chris@0:         $thirdListener = array(new TestEventListener(), 'preFoo');
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 0 => array(
Chris@0:                     array('callable' => $firstListener),
Chris@0:                     array('callable' => $secondListener),
Chris@0:                     array('callable' => $thirdListener),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0:         $dispatcher->dispatch('test_event');
Chris@0: 
Chris@0:         $this->assertTrue($thirdListener[0]->preFooInvoked);
Chris@0:     }
Chris@0: 
Chris@0:     public function testGetListenersWithServices()
Chris@0:     {
Chris@0:         $container = new ContainerBuilder();
Chris@0:         $container->register('listener_service', 'Symfony\Component\EventDispatcher\Tests\TestEventListener');
Chris@0: 
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 0 => array(
Chris@0:                     array('service' => array('listener_service', 'preFoo')),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0:         $actualListeners = $dispatcher->getListeners();
Chris@0: 
Chris@0:         $listenerService = $container->get('listener_service');
Chris@0:         $expectedListeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 array($listenerService, 'preFoo'),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $this->assertSame($expectedListeners, $actualListeners);
Chris@0:     }
Chris@0: 
Chris@0:     public function testDispatchWithServices()
Chris@0:     {
Chris@0:         $container = new ContainerBuilder();
Chris@0:         $container->register('listener_service', 'Symfony\Component\EventDispatcher\Tests\TestEventListener');
Chris@0: 
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 0 => array(
Chris@0:                     array('service' => array('listener_service', 'preFoo')),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0: 
Chris@0:         $dispatcher->dispatch('test_event');
Chris@0: 
Chris@0:         $listenerService = $container->get('listener_service');
Chris@0:         $this->assertTrue($listenerService->preFooInvoked);
Chris@0:     }
Chris@0: 
Chris@0:     public function testRemoveService()
Chris@0:     {
Chris@0:         $container = new ContainerBuilder();
Chris@0:         $container->register('listener_service', 'Symfony\Component\EventDispatcher\Tests\TestEventListener');
Chris@0:         $container->register('other_listener_service', 'Symfony\Component\EventDispatcher\Tests\TestEventListener');
Chris@0: 
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 0 => array(
Chris@0:                     array('service' => array('listener_service', 'preFoo')),
Chris@0:                     array('service' => array('other_listener_service', 'preFoo')),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0: 
Chris@0:         $listenerService = $container->get('listener_service');
Chris@0:         $dispatcher->removeListener('test_event', array($listenerService, 'preFoo'));
Chris@0: 
Chris@0:         // Ensure that other service was not initialized during removal of the
Chris@0:         // listener service.
Chris@0:         $this->assertFalse($container->initialized('other_listener_service'));
Chris@0: 
Chris@0:         $dispatcher->dispatch('test_event');
Chris@0: 
Chris@0:         $this->assertFalse($listenerService->preFooInvoked);
Chris@0:         $otherService = $container->get('other_listener_service');
Chris@0:         $this->assertTrue($otherService->preFooInvoked);
Chris@0:     }
Chris@0: 
Chris@0:     public function testGetListenerPriorityWithServices()
Chris@0:     {
Chris@0:         $container = new ContainerBuilder();
Chris@0:         $container->register('listener_service', TestEventListener::class);
Chris@0: 
Chris@0:         $listeners = array(
Chris@0:             'test_event' => array(
Chris@0:                 5 => array(
Chris@0:                     array('service' => array('listener_service', 'preFoo')),
Chris@0:                 ),
Chris@0:             ),
Chris@0:         );
Chris@0: 
Chris@0:         $dispatcher = new ContainerAwareEventDispatcher($container, $listeners);
Chris@0:         $listenerService = $container->get('listener_service');
Chris@0:         $actualPriority = $dispatcher->getListenerPriority('test_event', [$listenerService, 'preFoo']);
Chris@0: 
Chris@0:         $this->assertSame(5, $actualPriority);
Chris@0:     }
Chris@0: 
Chris@0:  }